unenthusiastic vs lukewarm

unenthusiastic and lukewarm both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unenthusiastic	No	Yes	No	No
lukewarm	No	Yes	No	No

unenthusiastic (adjective)	lukewarm (adjective)
not enthusiastic; lacking excitement or ardor	feeling or showing little interest or enthusiasm
	moderately warm